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(,450007):,,,:;;:TV831.4:B:100828385(2003)0220019205X1,,(),,,,()()(),,,;,,,,,,,;,,,,,,:Q=KP:Q;$P;K(L),,,;,,,,,,,,,,,2,,,,,,,,,1[1]2.1,1(1),10%50%80%,10%,10%,()100%20%12.5%,,JOURNALOFHENANTEXTILECOLLEGE2003152X:2003-04-03:(1972-),,,,(1)(2)(3)(4)1,,;,,:,,;,,,,2.2,1(2)L10%50%80%,10%,1.9%7.4%20.5%,,,,;,,,40%(),2.31(3),,,,,,,,,,,,1(4)(1)(2),,,3,,,,3.1,,2,[2],,,,,,a)b)232$P,$P1,$P2S=($P1m)ö($P),S,$P1m,,S,SS,,3[3]023,S=1,,,S,,qS(q=QöQ100,Q100,),,,,,,;,,,,Q100,S,,,R:Rs=RSR,;RS,,;,,,,,S0.30.5[4],0.550.703.24,Q100,Qmax,x,x=Q100Qmaxx,5[5],x1,,,,x,,x:Rs=11-x,,,,x0.8[6],80%,,R,,,,,,,,,,(1-x)Qmax,,,,,,,a)b)454,,,,(),6,(),12,,,7[7],,Kc,,,[8],,,8[9],,,,,,(),678[10],,,,,,,,,,,,,,,,,,,,,,,,:,;,,,5,,,;,,,:,,,,,,22[1][5][6][7][8].[M].:.1995.[2].[M].:.1994.[3][4][9].[M].:.1996.[10].[M].:.1993.[:]CyberneticAnalysisontheFlowCharacteristicsofRegulatingValveXUEYong2fei(HenanTextileCollege,Zhengzhou450007,China)Abstract:Thepaperintroducessomerudimentaryknowledgeoftheflowofregulatingvalve.Andfromtheangleofcybernetics,italsoanalysestheperfectflowcharacteristics,theworkflowcharacteris2ticsandthestabilityofthesystem.Finally,itpointsoutsomeattentivecharactersofusingtheregulatingvalveinthethermodynamicengineeringfield.Keywords:perfectflowcharacteristics;workflowcharacteristics;thesystemstability32